Oops, it doesn't look like 'Anthem With Your Hand On Your Heart At The Start Of Every day' is a national day..

Other days

Buddy Day

Polyamory Day

Healing Day

Tell Ur Crush You Like Them Day

Book Day

Coffee Day

Bounce Day

Donate Your Hair Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Chocolate Milkshake Day